Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Feb. 26, 2022	Nov. 27, 2021
Original cost	$ 1,205,208	$ 1,123,510
Accumulated amortization	(420,310)	(436,928)
Net identifiable intangibles	784,898	686,582
Purchased Technology And Patents [Member]
Original cost	100,423	115,980
Accumulated amortization	(45,714)	(62,364)
Net identifiable intangibles	54,709	53,616
Customer Relationships [Member]
Original cost	1,035,413	932,644
Accumulated amortization	(350,052)	(335,143)
Net identifiable intangibles	685,361	597,501
Trade Names [Member]
Original cost	58,223	63,543
Accumulated amortization	(18,951)	(33,786)
Net identifiable intangibles	39,272	29,757
Other Intangible Assets [Member]
Original cost	11,149	11,343
Accumulated amortization	(5,593)	(5,635)
Net identifiable intangibles	$ 5,556	$ 5,708